Maryland Native Plant Society Plant Lists We offer these lists to individuals and groups to enhance the enjoyment and study of plants of different locations in Maryland and nearby states. Their accuracy has not been verified by the Maryland Native Plant Society. FORT SLOCUM (CIVIL WAR FORT) WASHINGTON DC This list records plants seen during a field trip to Fort Slocum on January 3, 2010. Field trip led by Mary Pat Rowan. Plant list by Mary Pat Rowan. Nomenclature follows the USDA Plant Database at http://plants.usda.gov (January 2011). Synonyms are footnoted for some species. Carya glabra Pignut hickory Juglandaceae Cercis canadensis Redbud Fabaceae Danthonia spicata Poverty grass Poaceae Diospyros virginiana Persimmon Ebenaceae Gaylussacia baccata Black huckleberry Ericaceae Ilex opaca American holly Aquifoliaceae Liriodendron tulipifera Tuliptree Magnoliaceae Nyssa sylvatica Black gum Cornaceae Pinus rigida Pitch pine Pinaceae Pinus virginiana Virginia pine Pinaceae Prunus serotina Black cherry Rosaceae Quercus alba White oak Fagaceae Quercus coccinea Scarlet oak Fagaceae Quercus falcata Southern red oak Fagaceae Quercus marilandica Blackjack oak Fagaceae Quercus phellos Willow oak Fagaceae Quercus prinus Chestnut oak Fagaceae Quercus rubra Red oak Fagaceae Quercus stellata Post oak Fagaceae Quercus velutina Black oak Fagaceae Rubus sp. Blackberry Rosaceae Smilax glauca Glaucous greenbrier Smilacaceae Toxicodendron radicans1 Poison ivy Anacardiaceae Vaccinium pallidum2 Lowbush blueberry Ericaceae Vaccinium stamineum Deerberry Ericaceae 1 Rhus toxicodendron 2 Vaccinium vacillans .